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Precautionary measure: About 100 cusecs of water being released from the Chembarambakkam reservoir on Friday. B. VELANKANNI RAJ B. VELANKANNI RAJ

Climate change will increase hydropower generation in India

On Friday, February 3, 2023, scientists said they have discovered 12 new moons around the gas giant, putting the total count at a record-breaking 92. That’s more than any other planet in our solar system.

Jupiter beats Saturn to become the planet with most moons: 92

A study published earlier this month cautioned against the use of ultraviolet nail polish dryers for gel manicures as it poses a long-term health risk.

UV nail polish dryers lead to cell death and cancer-causing mutations

A radiotherapy technician looks at a computer screen at the National Oncology Center in Sanaa, Yemen, December 28, 2022.

Someone you know has cancer. Should you hide the diagnosis from them?

Christianez Ratna Kiruba,Parth Sharma

Deep below the ocean surface, the light fades into a twilight zone where whales and fish migrate and dead algae and zooplankton rain down from above. This is the heart of the ocean’s carbon pump, part of the natural ocean processes that capture about a third of all human-produced carbon dioxide and sink it into the deep sea, where it remains for hundreds of years.

The ocean twilight zone could store vast amounts of carbon captured from the atmosphere – but first we need an internet of deep ocean sensors to track the effects

Union Finance Minister Nirmala Sitharaman addressing a post budget press conference, in New Delhi, February 1, 2023.

What are scientists saying about the science budget? The Hindu asked five.

Part of a ball-milling device, consisting of a jar into which ordinary crystalline ice and steel balls are placed before being shaken vigorously in an experiment to create a previously unrecognised form of ice called medium-density amorphous ice.

With frigid innovation, scientists make a new form of ice

A previous study nearly a decade ago warned that by the mid-21st century, climate warming could increase burning past historical levels and transform some Rocky Mountain forests. Our results show such changes in fire activity are now underway.

Rocky Mountain forests burning more now than any time in the past 2,000 years

One possible sign that a person has a brain tumour is the presence of tumour-related extracellular vesicles (EVs) in their urine. image for Representation.

In the offing: A urine test to detect brain tumours

A view of the bridge on February 3, 2018.

How did the Howrah Bridge get its iconic design?

Aparajith Ramnath

File images for representation.

Sci-Five | The Hindu Science Quiz: on primatology

A.S. Nazir Ahamed

A worker spraying disinfectant at a poultry farm in Namakkal.

Study spotlights India’s ‘intense’ veterinary antimicrobial use

Vasudevan Mukunth